package com.zhou

/*
 * @Description:
 * @Author: ZhOu
 * @Date: 2018/6/6
 */
object Hello {
  def main(args: Array[String]): Unit = {
    println("Hello World!")
    println("hello\tworld")
    var name: String = "Tom"
    println(name)
    name = "Jack"
    println(name)

    //var可以修改，val不能修改
    val age: Int = 20
    println(age)


    val pa = ("Tom", 20)
    println(pa)
  }
}
